OnePlus 9 release date is March 26, 2021.
Android 11, upgradable to 12 is used as the operating system in the phone. And the user interface is provided by OxygenOS.
The 9 has 2G, 3G, 4G, 5G,
technology as network connectivity and the network speed is available up to HSPA 42.2/5.76 Mbps, LTE-A (CA) Cat20 2000/200 Mbps, 5G.
Wireless connectivity also includes Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA, bluetooth 5.2, A2DP, LE, aptX HD, yes,
GPS, NFC .
OnePlus 9 uses 48 MP Triple camera for taking pictures, they are 48 MP (wide), f/1.8, 23mm, 1/1.43", 1.12µm, multi-directional PDAF, 50 MP (ultrawide), f/2.2, 14mm, 1/1.56", 1.0µm, AF, 2 MP (monochrome), f/2.4. Its features include Hasselblad Color Calibration, dual-LED flash, HDR, panorama, and video recording up to 8K/30fps, 4K-30/60fps, 1080p-30/60/240fps, Auto HDR, gyro-EIS. 9 has a 16 MP (wide), f/2.4, 1/3.06", 1.0µm camera as a selfie shooter. This camera uses Auto-HDR feature and can record videos up to 1080p/30fps, gyro-EIS.
Snapdragon 888 5G chipset is used for OnePlus 9 performance. It is an Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 processor built using 5 nm architecture. There is a Adreno 660 GPU to deliver the graphics. 9 uses 128/256GB Internal Storage and 8/12 GB RAM as memory.
OnePlus 9 uses Fluid AMOLED 6.55 inches 120Hz refresh rate display. The display features HDR10+ 1100 nits (peak) Always-on display. It has a resolution of 1080 x 2400 pixels and a pixel density of 402 ppi. 9 body dimensions are 160 x 74.2 x 8.7 mm (EU/NA) 160 x 73.9 x 8.1 mm (IN/CN) and weight is 192 g / 183 g. Front Gorilla Glass 5, back Gorilla Glass 5, and plastic frame frame have been used to build the phone. This phone's available color is Winter Mist, Arctic Sky, Astral Black.
There is a 4500 mAh Li-Po non-removable battery to power the OnePlus 9. And the charging features are Fast charging 65W , Fast wireless charging 15W , USB Power Delivery .